On certain Sonata (DN8) vehicles equipped with smart user features, the registered Hyundai app and the...
Hyundai technical service bulletin Campaign T4L Dea for 2020 Hyundai Sonata.
- Bulletin number
- Campaign T4L Dea
- Component
- Electrical system
- Summary
- On certain Sonata (DN8) vehicles equipped with smart user features, the registered Hyundai app and the digital key card may not open the doors or start the vehicle when using these features.
Owners of these vehicles have filed 41 complaints in the electrical category.
Vehicles covered
- Hyundai Sonata 2020 2020
VIN decoder
See the problems and recalls for an exact car
Buying a used Hyundai Sonata?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history